﻿<?php 
function array_sort($arr,$keys,$type='asc'){
    $keysvalue = $new_array = array();
    foreach ($arr as $k=>$v){
        $keysvalue[$k] = $v[$keys];
    }
	pre($keysvalue);
    if($type == 'asc'){
        asort($keysvalue);
    }else{
        arsort($keysvalue);
    }
    reset($keysvalue);
    foreach ($keysvalue as $k=>$v){
        $new_array[$k] = $arr[$k];
    }
    return $new_array;
} 
 
$array = array(
     array('name'=>'手机','brand'=>'诺基亚','price'=>1050),
     array('name'=>'笔记本电脑','brand'=>'lenovo','price'=>4300),
     array('name'=>'剃须刀','brand'=>'飞利浦','price'=>3100),
     array('name'=>'跑步机','brand'=>'三和松石','price'=>4900),
     array('name'=>'手表','brand'=>'卡西欧','price'=>960),
     array('name'=>'液晶电视','brand'=>'索尼','price'=>6299),
     array('name'=>'激光打印机','brand'=>'惠普','price'=>1200)
);
 
$ShoppingList = array_sort($array,'price');
// pre($ShoppingList);

function pre($data){
    echo '<pre>';
    print_r($data);
    return false;
}

?>